/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.dockerjava.api.command;

import com.github.dockerjava.api.listener.BuildImageCallbackListener;
import com.github.dockerjava.api.model.BuildResponseItem;

public class HackBuildImageResultCallback extends BuildImageResultCallback {

  private final BuildImageCallbackListener listener;

  private static final String STEP_PREFIX = "Step";

  public HackBuildImageResultCallback(BuildImageCallbackListener listener) {
    this.listener = listener;
  }

  @Override
  public void onNext(BuildResponseItem item) {
    super.onNext(item);
    String stream = item.getStream();
    if (item.isErrorIndicated()) {
      listener.watchBuildStep(item.getErrorDetail().getMessage());
    } else if (stream != null && stream.startsWith(STEP_PREFIX)) {
      listener.watchBuildStep(stream);
    }
  }
}
